this marine 4 barrel carb will be sold as a parts unit or one for possible rebuild/all of the parts that are suppose to move do so freely...there is a small nick in the choke tower and the dash pot for the choke is broken...these can be seen in the photos.the numbers are 17080561     0771.according to google this the correct carb for the mercury marine 260 and the bravo 5.7L...thanks for looking